CN104048274A - Lifting rod structure and lamp thereof - Google Patents
Lifting rod structure and lamp thereof Download PDFInfo
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- CN104048274A CN104048274A CN201310084655.7A CN201310084655A CN104048274A CN 104048274 A CN104048274 A CN 104048274A CN 201310084655 A CN201310084655 A CN 201310084655A CN 104048274 A CN104048274 A CN 104048274A
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- lower beam
- thimble
- hole
- assembly
- upper boom
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Abstract
The invention relates to a lifting rod structure, which comprises an upper rod, a lower rod, at least one positioning assembly, a locking assembly and an adjusting piece, wherein the positioning assembly is arranged in the upper rod, the positioning assembly and the upper rod move in the lower rod, one part of the positioning assembly is contained in the lower rod to position the upper rod, the locking assembly is arranged on the lower rod, the adjusting piece is arranged on the locking assembly and is used for adjusting the locking assembly, the positioning assembly can be moved out of the lower rod through the locking assembly, and the upper rod is engaged from the blockage of the positioning assembly. The invention also provides a lamp using the lifting rod structure. The lifting rod structure has the advantages that the structure is simple, the operation is convenient, the upper rod and the lower rod are stably and tightly matched, the sliding is avoided between the upper rod and the lower rod, and the stability of the lamp during use is ensured.
Description
Technical field
The present invention relates to lighting field, relate in particular to a kind of lifting rod structure and apply the light fixture of this lifting rod structure.
Background technology
The light fixtures such as floodlight, spotlight, fluorescent lamp, platform lamp, Projecting Lamp, movable illumination device have become indispensable illumination utensil in people's life, work, and these light fixtures are applied to interior decoration, stadium, park or road emergency repairing more and more, accident safeguards that the occasions such as processing are as lighting use.This light fixture generally comprises lamp body, lamp holder and connects the elevating lever of this lamp body and lamp holder, and this elevating lever is in order to regulate the lifting of lamp holder and the irradiating angle emitting beam of this lamp holder.For example, in the time that needs move or transport this light fixture, pack up this elevating lever, make this lamp holder near or be accommodated in described lamp body so that mobile transport; In the time that needs use this light fixture, adjust the height of this elevating lever, and then regulate the height of described lamp holder and the angle that lamp holder irradiates.
The lifting of existing elevating lever be mostly by multiple handles and snap close be linked control, that is, this handle is installed on snap close by pin, snap close is installed in one end of elevating lever.When use, rotate multiple handles simultaneously and regulate the elasticity of this snap close, this snap close is clamped simultaneously or unclamp elevating lever, and then by this elevating lever adjustment in place.But existing elevating lever exists adjustment operation loaded down with trivial details mostly, baroque shortcoming, and exist snap close to clamp not strongly, elevating lever is loosening problem easily.
Summary of the invention
For the problems referred to above, the object of the present invention is to provide a kind of lifting rod structure of simple in structure and simple operation.
The present invention also provides a kind of light fixture of this lifting rod structure of application.
In order to solve the problems of the technologies described above, the invention provides a kind of lifting rod structure, comprise upper boom, lower beam, at least one positioning component, hold assembly and regulating part, described positioning component is installed in described upper boom, and move in described lower beam with this upper boom, this positioning component part is placed in described lower beam to locate described upper boom, the described assembly that holds is installed on described lower beam, described in described regulating part is installed in, hold on assembly and described in regulating and hold assembly, this holds assembly positioning component described in this is shifted out in described lower beam, described upper boom departs from stopping of this positioning component.
Wherein, one end of described upper boom offers at least one fluting, this fluting offer the axial direction of direction perpendicular to described upper boom, described positioning component is contained in this fluting, and expose this fluting, the part that this positioning component exposes described fluting can be placed in described lower beam.
Wherein, described positioning component comprises thimble and elastic component, and described thimble is placed in described fluting, and the length of this thimble is less than the degree of depth of described fluting, described elastic component one end is installed in described thimble, and partly exposes this thimble, and the other end supports described fluting bottom.
Wherein, described lower beam offers container cavity along axial direction, and described upper boom and positioning component are placed in this container cavity, and can in this container cavity, move by the axial direction along described lower beam.
Wherein, described lower beam also offers chute and is positioned at the through hole of this chute, described chute is opened on described container cavity sidewall and along the axial direction of described lower beam and extends, this chute is aimed at above-mentioned fluting, described through hole is opened in described chute, and connect described lower beam, and described thimble slides into described lead to the hole site place along described chute, and this thimble moves in this through hole under the elastic force effect of elastic component.
Wherein, the surface of the end of described thimble is circular-arc or parabolic shape, and move in described chute the end of this thimble, and moves into described through hole to locate described upper boom and lower beam.
Wherein, the described assembly that holds comprises projection, the position of the through hole on the position of this projection and described lower beam matches, this projection is aimed at corresponding through hole, and be placed in this through hole, described projection supports described thimble through this through hole, and this thimble is released and moved along described chute in described through hole, and described upper boom departs from stopping of this thimble and moves with respect to described lower beam.
Wherein, the described assembly that holds is sheathed on described lower beam, this holds assembly opposite end and offers locating hole and adjustment hole, described in regulating through this locating hole matching with described adjustment hole, described regulating part holds the cooperate degree of assembly and described lower beam, make described projection move into or shift out corresponding through hole, and promote or unclamp the thimble of described positioning component.
Wherein, described upper boom, lower beam and hold assembly and made by alloy in lightweight or polyvinyl chloride.
The present invention also provides a kind of light fixture, comprise lamp adapter assembly and casing, this light fixture also comprises above-mentioned lifting rod structure, and described lamp adapter assembly and casing are connected in the two ends of this lifting rod structure, and this lamp adapter assembly is the position with respect to described casing by described lifting rod structure adjustment.
In light fixture provided by the present invention, the upper boom of described lifting rod structure is connected with described lamp adapter assembly, and described lower beam is connected with described casing, and described positioning component is installed in this upper boom, and can partly be placed in described lower beam to locate this upper boom; Operate described regulating part, hold assembly this positioning component is shifted out in described lower beam described in can making, this upper boom departs from stopping of this positioning component and moves in described lower beam.In sum, this lifting rod structure is not only simple in structure, simple operation, and between described upper boom and lower beam, coordinate firmly closely, between the two, there will not be slip, ensure stability when this light fixture uses.
Brief description of the drawings
In order to be illustrated more clearly in technical scheme of the present invention, to the accompanying drawing of required use in embodiment be briefly described below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the exploded perspective schematic diagram of the light fixture that provides of the embodiment of the present invention.
Fig. 2 is the schematic perspective view of the lifting rod structure shown in Fig. 1.
Fig. 3 is that the positioning component that the embodiment of the present invention provides is assembled in the schematic perspective view in upper boom.
Fig. 4 is that the positioning component shown in Fig. 3 is assembled in the enlarged diagram in upper boom.
Fig. 5 is the schematic perspective view of the lower beam shown in Fig. 2.
Fig. 6 is the schematic perspective view of the thimble of the positioning component shown in Fig. 3.
Fig. 7 is the schematic perspective view that holds assembly shown in Fig. 2.
Fig. 8 is the schematic perspective view of the regulating part shown in Fig. 2.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiment.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtaining under creative work prerequisite, belong to the scope of protection of the invention.
Refer to Fig. 1, embodiment of the present invention provides a kind of light fixture 100, and it can be the light fixtures such as floodlight, spotlight, fluorescent lamp, platform lamp, Projecting Lamp, movable illumination device, and in embodiments of the present invention, this light fixture 100 is illustrated as an example of movable illumination device example.Described light fixture 100 comprises lamp adapter assembly 20, casing 30 and connects the lifting rod structure 40 of this lamp adapter assembly 20 and casing 30, these lifting rod structure 40 one end removably connect described lamp adapter assembly 20, its other end removably connects described casing 30, and this lifting rod structure 40 is in order to regulate the position of described lamp adapter assembly 20 with respect to described casing 30.
Described lamp adapter assembly 20 comprises lamp holder 22 and fixed support 24, roughly semicircular in shape lamellar body of these fixed support 24 entirety, and the connected modes such as this lamp holder 22 is connected by screw, engagement connection are removably installed on described fixed support 24.This lamp holder 22 can turn to different angles on this fixed support 24, and then regulates the angle of these lamp holder 22 emitted lights.The connected modes such as described fixed support 24 can be connected by screw, engagement connection, riveted joint are removably installed in one end of described lifting rod structure 40.
In embodiments of the present invention, described casing 30 can be a movable case, and it is rectangular-shaped that its entirety is roughly, and this casing 30 is for holding the circuit devcies such as battery modules, charging module, driven unit, rectification circuit, connector.Circuit devcie in described casing 30 is electrically connected by cable 60 and described lamp holder 22, is used to this lamp holder 22 that electric energy support is provided, and the exposure intensity of adjustable these lamp holder 22 light emitted lines, irradiation time and other parameters.Described casing 30 comprises fixture 32, and described lifting rod structure 40 other ends can be removably installed in described fixture 32 by engagement connection, the connected mode such as be threaded.In embodiments of the present invention, described fixture 32 can be a sleeve pipe, and one end of described elevating lever reception 40 is inserted and secured in this sleeve pipe.
See also Fig. 2, described lifting rod structure 40 comprises upper boom 42, lower beam 43, at least one positioning component 44, holds assembly 45 and regulating part 46.Described positioning component 44 is installed in this upper boom 42, and with this upper boom 42 in the interior movement of described lower beam 43, this positioning component 44 can partly be placed in described lower beam 43 to locate this upper boom 42; Operate described regulating part 46 and hold assembly 45 described in pulling, hold assembly 45 positioning component described in this 44 is shifted out in described lower beam 43 described in can making, this upper boom 42 departs from stopping of this positioning component 44 and moves in described lower beam 43.Described upper boom 42 entirety are roughly cylindrical shape, and it can be by alloy in lightweight or PVC(polyvinylchloride, polyvinyl chloride) plastics make.In other embodiments, the shape of described upper boom 42 is not limited to cylindrical shape, also can be designed to as required regular triangular prism shape, four-prism shape, positive pentagonal prism shape, positive hexa-prism or other shapes.
See also Fig. 3 and Fig. 4, the connected modes such as one end of described upper boom 42 can be connected by screw, engagement connection, riveted joint are removably installed on described fixed support 24, to support described lamp adapter assembly 20, and drive described lamp holder 22 with respect to described casing 30 lifting moving.The other end of described upper boom 42 offers at least one fluting 422, this fluting 422 offer the axial direction of direction perpendicular to described upper boom 42, it is for holding described positioning component 44, and this positioning component 44 can expose this fluting 422.In embodiments of the present invention, on described upper boom 42, offer four flutings 422, these four flutings 422 are axially symmetrical between two about described upper boom 42,, these four flutings 422 form two fluting groups side by side, and each fluting group comprises the fluting 422 of two axially-aligned.Be appreciated that in other embodiments, the quantity of described fluting 422 can be 6,8 or other quantity, and the arrangement mode of this fluting 422 also can adopt about other modes outside the axial symmetry between two of described upper boom 42.
See also Fig. 5, described lower beam 43 entirety are roughly cylindrical shape, regular triangular prism shape, four-prism shape, positive pentagonal prism shape, positive hexa-prism or other shapes of hollow, can be made up of PVC plastics or alloy in lightweight.One end of this lower beam 43 can be removably installed in the fixture 32 of described casing 30 by engagement connection, the connected mode such as be threaded, and the other end offers container cavity 431 along the axial direction of this lower beam 43.The shape and size of the shape and size of this container cavity 431 and described upper boom 42 match, described upper boom 42 can be placed in this container cavity 431, and can be along moving axially to shift out or move into this container cavity 431 in this container cavity 431, and then regulate the position of described lamp adapter assembly 20.
The inwall (being container cavity 431 sidewalls) of described lower beam 43 is gone up and is offered two chutes 432 along the axial direction of this lower beam 43, and this chute 432 is aimed at respectively above-mentioned fluting 422.Described lower beam 43 also offers at least one through hole 434, and this through hole 434 is opened in described chute 432, and connects described lower beam 43.In embodiments of the present invention, the quantity of described through hole 434 is 8, and it is divided into two groups and is opened in described chute 432,, offers 4 through holes 434 in each chute 432 that is, and the through hole 434 that is positioned at two chutes 432 is aimed at respectively.In addition, the distance between two of arbitrary neighborhood through holes 434 equals two distances of slotting between 422 of arbitrary neighborhood.
See also Fig. 6, in embodiments of the present invention, the quantity of described positioning component 44 is 4, and this positioning component 44 can be thimble structure, and it comprises thimble 442 and elastic component 444.Described thimble 442 entirety are roughly cylindrical shape, and the shape and size of the fluting 422 of its shape and size and described upper boom 42 match, and the length of this thimble 442 is less than the degree of depth of described fluting 422.This thimble 442 offers cavity 445 near one end of described fluting 422 bottoms, and described elastic component 444 one end are installed in this cavity 445, and expose this cavity 445, and its other end supports the bottom of described fluting 422.Under nature, this elastic component 444 exposes the degree of depth that the size of described cavity 445 and the length sum of described thimble 442 are greater than described fluting 422.In embodiments of the present invention, described elastic component 444 can be a spring.
In other embodiments, the shape entirety of described thimble 442 also can be regular triangular prism shape, four-prism shape, positive pentagonal prism shape, positive hexa-prism or other shapes.For the ease of the end of described thimble 442, in the interior slip of described chute 432, the surface of this end can be designed to circular-arc or parabolic shape.
See also Fig. 7 and Fig. 8, in embodiments of the present invention, described in hold assembly 45 and can be a thimble briquetting, it can be made up of PVC or alloy in lightweight.This holds the roughly rectangular demihull shape of entirety of assembly 45, the openend that its middle part can be connected by screw, engagement connection, riveted joint or the mode such as hinged are installed on described lower beam 43.This holds assembly 45 entirety and is sheathed on described lower beam 43, two free end offers respectively locating hole 452 and adjustment hole 453, and this locating hole 452 and adjustment hole 453 match (as threaded engagement) to regulate this to hold the tightness of assembly 45 with above-mentioned regulating part 46.For example, described regulating part 46 is through this locating hole 452, and with described adjustment hole 453 threaded engagement (that is, and in the interior rotation of this locating hole 452, and precession or screw out this adjustment hole 453), thereby described in regulating, hold the tightness of assembly 45.This holds assembly 45 and comprises projection 454, and position and the quantity of the through hole 434 on the position of this projection 454 and quantity and described lower beam 43 match.This projection 454 is aimed at corresponding through hole 434, can be placed in this through hole 434, and can support described thimble 442 through this through hole 434.
In embodiments of the present invention, described regulating part 46 can be a bolt, and it is by described locating hole 452 precession or screw out described adjustment hole 453, holds the tightness of assembly 45, and then described projection 454 is compressed or unclamp described thimble 442 described in regulating.For example, pull and rise described upper boom 42, described thimble 442 slides into the position of described through hole 434 along the chute 432 in described lower beam 43, this thimble 442 moves in this through hole 434 under the elastic force effect of elastic component 444, and stopped by described projection 454, described upper boom 42 is fixed in this lower beam 43, and the two keeps stable state; When needs are accommodated in this upper boom 42 or pack described lower beam 43 into when interior, rotate described regulating part 46, described in screwing in, this regulating part 46 holds the adjustment hole 453 of assembly 45, shrink at these two ends that hold assembly 45, described projection 454 supports described thimble 442, and described elastic component 444 is compressed, this projection 454 by described thimble 442 from the interior release of described through hole 434, described in described upper boom 42 disengagings, hold stopping of assembly 45, can be accommodated in or pack in described lower beam 43.
See also Fig. 1 to Fig. 8, when assembling, described lower beam 43 is installed in described fixture 32, and described held assembly 45 is installed on the openend of described lower beam 43, holds the locating hole 452 of assembly 45 and screw in described adjustment hole 453 described in described regulating part 46 passes.Now, described projection 454 is placed in the through hole 434 of this lower beam 43.Described elastic component 444 packs in the cavity 445 of described thimble 442, and this elastic component 444 and thimble 442 are packed in the fluting 422 of described upper boom 42, pressing the end of described thimble 442, there is elastic deformation in described elastic component 444, described upper boom 42 is packed in the container cavity 432 of described lower beam 43.Now, 43 the interior slip of chute 432 is thought at this in the end of described thimble 442, until slide into the bottom of described lower beam 43.The connected modes such as described upper boom 42 is connected by screw, engagement connection, riveted joint are removably installed on described fixed support 24, to support described lamp adapter assembly 20, described lamp holder 22 is electrically connected by cable 60 and the circuit devcie in described casing 30, to obtain work energy.So, can complete the assembling of described light fixture 100.
When use, described regulating part 46 rotates (as towards screwing out described adjustment hole 453 these regulating parts 46 of rotation) to a first direction, described in hold assembly 45 two ends unclamp gradually, this projection 454 that holds assembly 45 exposes gradually and shifts out described through hole 434.Pull and rise described upper boom 42, described thimble 442 slides into this through hole 434 positions along the chute 432 in described lower beam 43, and this thimble 442 moves in corresponding through hole 434 under the elastic force effect of elastic component 444, and is stopped by described projection 454.Now, described upper boom 42 is fixed in described lower beam 43, and is held assembly 45 and located by this, and the two keeps stable state.Because the quantity of the through hole 434 on described lower beam 43 is one, therefore, this upper boom 42 also only has a gear with respect to the adjustable position of described lower beam 43.Be appreciated that, when the quantity of described through hole 434 is 8, it is divided into two groups and is opened in described chute 432, in each chute 432, offer 4 through holes 434, described thimble 442 can be placed in respectively in these 4 through holes 434,, described upper boom 42 with respect to described lower beam 43 have four gears can for regulate.Obviously, in other embodiments, the quantity of described through hole 434 can arrange as required.
When needs are accommodated in upper boom 42 or pack described lower beam 43 into when interior, described regulating part 46 rotates (as adjustment hole as described in towards precession 453 rotates these regulating parts 46) to a second direction, shrink gradually at the described two ends that hold assembly 45, this projection 454 that holds assembly 45 moves in described through hole 434 gradually, and gradually by described thimble 442 from the interior release of this through hole 434.Described in described upper boom 42 disengagings, hold stopping of assembly 45, described thimble 442 slides along described chute 432, until this upper boom 42 slips into container cavity 431 bottoms of described lower beam 43.
In sum, in light fixture 100 provided by the present invention, the upper boom 42 of described lifting rod structure 40 is connected with described lamp adapter assembly 20, and described lower beam 43 is connected with described casing 30, described positioning component 44 is installed in this upper boom 42, and can partly be placed in described lower beam 43 to locate this upper boom 42; Operate described regulating part 46, hold assembly 45 this positioning component 44 is shifted out in described lower beam 43 described in can making, this upper boom 42 departs from stopping of this positioning component 44 and moves in described lower beam 43.In sum, this lifting rod structure 40 is not only simple in structure, simple operation, and between described upper boom 42 and lower beam 43, coordinate firmly closely, between the two, there will not be slip, ensure stability when this light fixture 100 uses.
The above is the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention; can also make some improvements and modifications, these improvements and modifications are also considered as protection scope of the present invention.
Claims (10)
1. a lifting rod structure, comprise upper boom and lower beam, it is characterized in that, described lifting rod structure also comprises at least one positioning component, hold assembly and regulating part, described positioning component is installed in described upper boom, and move in described lower beam with this upper boom, this positioning component part is placed in described lower beam to locate described upper boom, the described assembly that holds is installed on described lower beam, described in described regulating part is installed in, hold on assembly and described in regulating and hold assembly, this holds assembly positioning component described in this is shifted out in described lower beam, described upper boom departs from stopping of this positioning component.
2. lifting rod structure according to claim 1, it is characterized in that, one end of described upper boom offers at least one fluting, this fluting offer the axial direction of direction perpendicular to described upper boom, described positioning component is contained in this fluting, and expose this fluting, the part that this positioning component exposes described fluting can be placed in described lower beam.
3. lifting rod structure according to claim 2, it is characterized in that, described positioning component comprises thimble and elastic component, described thimble is placed in described fluting, and the length of this thimble is less than the degree of depth of described fluting, described elastic component one end is installed in described thimble, and partly exposes this thimble, and the other end supports described fluting bottom.
4. lifting rod structure according to claim 3, is characterized in that, described lower beam offers container cavity along axial direction, and described upper boom and positioning component are placed in this container cavity, and can in this container cavity, move by the axial direction along described lower beam.
5. lifting rod structure according to claim 4, it is characterized in that, described lower beam also offers chute and is positioned at the through hole of this chute, described chute is opened on described container cavity sidewall and along the axial direction of described lower beam and extends, this chute is aimed at above-mentioned fluting, and described through hole is opened in described chute, and connects described lower beam, described thimble slides into described lead to the hole site place along described chute, and this thimble moves in this through hole under the elastic force effect of elastic component.
6. lifting rod structure according to claim 5, is characterized in that, the surface of the end of described thimble is circular-arc or parabolic shape, and move in described chute the end of this thimble, and moves into described through hole to locate described upper boom and lower beam.
7. lifting rod structure according to claim 5, it is characterized in that, the described assembly that holds comprises projection, the position of the through hole on the position of this projection and described lower beam matches, this projection is aimed at corresponding through hole, and is placed in this through hole, and described projection supports described thimble through this through hole, and this thimble is released and moved along described chute in described through hole, described upper boom departs from stopping of this thimble and moves with respect to described lower beam.
8. lifting rod structure according to claim 7, it is characterized in that, the described assembly that holds is sheathed on described lower beam, this holds assembly opposite end and offers locating hole and adjustment hole, described in regulating through this locating hole matching with described adjustment hole, described regulating part holds the cooperate degree of assembly and described lower beam, make described projection move into or shift out corresponding through hole, and promote or unclamp the thimble of described positioning component.
9. lifting rod structure according to claim 1, is characterized in that, described upper boom, lower beam and hold assembly and be made up of alloy in lightweight or polyvinyl chloride.
10. a light fixture, comprise lamp adapter assembly and casing, it is characterized in that, this light fixture also comprises the lifting rod structure described in claim 1 to 5 any one, described lamp adapter assembly and casing are connected in the two ends of this lifting rod structure, and this lamp adapter assembly is the position with respect to described casing by described lifting rod structure adjustment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310084655.7A CN104048274B (en) | 2013-03-15 | 2013-03-15 | Lifting rod structure and light fixture thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310084655.7A CN104048274B (en) | 2013-03-15 | 2013-03-15 | Lifting rod structure and light fixture thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104048274A true CN104048274A (en) | 2014-09-17 |
| CN104048274B CN104048274B (en) | 2016-12-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310084655.7A Expired - Fee Related CN104048274B (en) | 2013-03-15 | 2013-03-15 | Lifting rod structure and light fixture thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106555947A (en) * | 2015-09-28 | 2017-04-05 | 深圳市海洋王照明工程有限公司 | A kind of Partable electric lighting |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DD128690A1 (en) * | 1977-02-25 | 1977-12-07 | Bruno Hinz | DEVICE FOR STAGE-FREE HEIGHT ADJUSTMENT OF SEAT MOBLES |
| CN201187707Y (en) * | 2008-05-06 | 2009-01-28 | 彭雅琴 | Desk lamp capable of adjusting height of lamp holder |
| CN102466213A (en) * | 2010-11-08 | 2012-05-23 | 海洋王照明科技股份有限公司 | Lamp lifting mechanism and lamp |
| CN202775182U (en) * | 2012-06-28 | 2013-03-13 | 东莞市青于蓝实业投资有限公司 | Height-adjustable chair |
-
2013
- 2013-03-15 CN CN201310084655.7A patent/CN104048274B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DD128690A1 (en) * | 1977-02-25 | 1977-12-07 | Bruno Hinz | DEVICE FOR STAGE-FREE HEIGHT ADJUSTMENT OF SEAT MOBLES |
| CN201187707Y (en) * | 2008-05-06 | 2009-01-28 | 彭雅琴 | Desk lamp capable of adjusting height of lamp holder |
| CN102466213A (en) * | 2010-11-08 | 2012-05-23 | 海洋王照明科技股份有限公司 | Lamp lifting mechanism and lamp |
| CN202775182U (en) * | 2012-06-28 | 2013-03-13 | 东莞市青于蓝实业投资有限公司 | Height-adjustable chair |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106555947A (en) * | 2015-09-28 | 2017-04-05 | 深圳市海洋王照明工程有限公司 | A kind of Partable electric lighting |
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| CN104048274B (en) | 2016-12-07 |
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Granted publication date: 20161207 Termination date: 20190315 |